/**
  * @inheritdoc
  */
 public function attributeLabels()
 {
     $labels = parent::attributeLabels();
     $labels['indexUrl'] = Yii::t('SpaceModule.models_Space', 'Homepage');
     $labels['indexGuestUrl'] = Yii::t('SpaceModule.models_Space', 'Homepage (Guests)');
     return $labels;
 }